retain
"NSMutableData data retain" on NSURLConnection - how calm this works?
On a lot of NSURLConnection examples I see the following lines: NSURLConnection *theConnection = [[NSURLConnection alloc]initWithRequest:theRequest delegate:self];[详细]
2023-03-23 09:25 分类:问答Memory Allocation Question
I have a string which I am updating constantly (~33 times a second). It is used over and over and over again and is omnipresent in a loop I have going. This is the loop:[详细]
2023-03-21 06:25 分类:问答Should I retain, autorelease or do nothing when returning NSArray of executeFetchRequest: result?
Please have a look at the code below: - (NSArray *)requestEntities:(NSString *)entityName { NSFetchRequest *fetchRequest = [[NSFetchRequest alloc] init];[详细]
2023-03-20 16:42 分类:问答is it OK to retain a variable passed by value in objective-c?
is it OK to ret开发者_如何转开发ain a variable passed by value in objective-c? That is say: I have controller 1 I have a variable that I pass to controller 2[详细]
2023-03-19 13:45 分类:问答iPhone Dev Objective-C - Object is being retained and I don't know where
I\'m creating an iPad game that has a viewController that loads in its view from a nib file. The view has a bunch of buttons in it, which I linked up to UIButton * variables via interface builder (so[详细]
2023-03-18 16:49 分类:问答Android How to Save states of my listview
Is there a listviewObject.saveViewStates(view) function I can use? I have listviews, I have other listviews 开发者_如何学Pythonwith custom adapters, but neither of these save states of the view. There[详细]
2023-03-16 19:44 分类:问答NSDate been released automatically resulting Bad exe error. iPhone
I have spent all day working on this, re-writing this many a times trying to get my head around it. I have a set of dates declared in the Header[详细]
2023-03-16 05:02 分类:问答how to keep an UIImage from disappearing after an app resumes from a background? (iPad)
I have an UIImage* loadedPoofSprite which I initialize like so: NSMutableDictionary* loadedDictionary=[NSDictionary dictionaryWithContentsOfFile:[NSString stringWithFormat:@\"%@/%@\",Main_Bundle_Path[详细]
2023-03-15 06:47 分类:问答Retain-Release in Objective-C
I am new to Objective-C and I am confused about this retain-release thing. Are parameters retained automatically? Do I need to release them?[详细]
2023-03-15 05:12 分类:问答Why does my retained CMAttitude instance become nil after I call stopDeviceMotionUpdates and startDeviceMotionUpdates?
I have a class with an ivar: @interface myCoolClass:NSObject { CMAttitude *referenceAttitude; } In my implementation have these selectors:[详细]
2023-03-14 20:11 分类:问答